By the Numbers

Jan. 21: Unusual Volume Leaders

What follows is a look at stocks in the S&P 500 displaying unusual volume in today's trading session. 

Some of the highlights include: Total System Services (TSS), Goldman Sachs (GS), Estee Lauder (EL) and Legg Mason (LM).

>> Earnings Preview: American Express

Stocks Trading 100% Above Their 10-Day Avg.

Stocks Trading 150% Above Their 100-Day Avg.